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      1 /*
      2  * Copyright (C) 2009 Google Inc. All rights reserved.
      3  *
      4  * Redistribution and use in source and binary forms, with or without
      5  * modification, are permitted provided that the following conditions are
      6  * met:
      7  *
      8  *     * Redistributions of source code must retain the above copyright
      9  * notice, this list of conditions and the following disclaimer.
     10  *     * Redistributions in binary form must reproduce the above
     11  * copyright notice, this list of conditions and the following disclaimer
     12  * in the documentation and/or other materials provided with the
     13  * distribution.
     14  *     * Neither the name of Google Inc. nor the names of its
     15  * contributors may be used to endorse or promote products derived from
     16  * this software without specific prior written permission.
     17  *
     18  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
     19  * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
     20  * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
     21  * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
     22  * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
     23  * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
     24  * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
     25  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
     26  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
     27  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
     28  * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
     29  */
     30 
     31 #include <config.h>
     32 
     33 #if ENABLE(SVG)
     34 #include "V8SVGLength.h"
     35 
     36 #include "SVGPropertyTearOff.h"
     37 #include "V8Binding.h"
     38 #include "V8BindingMacros.h"
     39 
     40 namespace WebCore {
     41 
     42 v8::Handle<v8::Value> V8SVGLength::valueAccessorGetter(v8::Local<v8::String> name, const v8::AccessorInfo& info)
     43 {
     44     INC_STATS("DOM.SVGLength.value._get");
     45     SVGPropertyTearOff<SVGLength>* wrapper = V8SVGLength::toNative(info.Holder());
     46     SVGLength& imp = wrapper->propertyReference();
     47     ExceptionCode ec = 0;
     48     float value = imp.value(wrapper->contextElement(), ec);
     49     if (UNLIKELY(ec)) {
     50         V8Proxy::setDOMException(ec);
     51         return v8::Handle<v8::Value>();
     52     }
     53     return v8::Number::New(value);
     54 }
     55 
     56 void V8SVGLength::valueAccessorSetter(v8::Local<v8::String> name, v8::Local<v8::Value> value, const v8::AccessorInfo& info)
     57 {
     58     INC_STATS("DOM.SVGLength.value._set");
     59     SVGPropertyTearOff<SVGLength>* wrapper = V8SVGLength::toNative(info.Holder());
     60     if (wrapper->role() == AnimValRole) {
     61         V8Proxy::setDOMException(NO_MODIFICATION_ALLOWED_ERR);
     62         return;
     63     }
     64 
     65     if (!isUndefinedOrNull(value) && !value->IsNumber() && !value->IsBoolean()) {
     66         V8Proxy::throwTypeError();
     67         return;
     68     }
     69 
     70     SVGLength& imp = wrapper->propertyReference();
     71     ExceptionCode ec = 0;
     72     imp.setValue(static_cast<float>(value->NumberValue()), wrapper->contextElement(), ec);
     73     if (UNLIKELY(ec))
     74         V8Proxy::setDOMException(ec);
     75     else
     76         wrapper->commitChange();
     77 }
     78 
     79 v8::Handle<v8::Value> V8SVGLength::convertToSpecifiedUnitsCallback(const v8::Arguments& args)
     80 {
     81     INC_STATS("DOM.SVGLength.convertToSpecifiedUnits");
     82     SVGPropertyTearOff<SVGLength>* wrapper = V8SVGLength::toNative(args.Holder());
     83     if (wrapper->role() == AnimValRole) {
     84         V8Proxy::setDOMException(NO_MODIFICATION_ALLOWED_ERR);
     85         return v8::Handle<v8::Value>();
     86     }
     87 
     88     if (args.Length() < 1)
     89         return throwError("Not enough arguments", V8Proxy::SyntaxError);
     90 
     91     SVGLength& imp = wrapper->propertyReference();
     92     ExceptionCode ec = 0;
     93     EXCEPTION_BLOCK(int, unitType, toUInt32(args[0]));
     94     imp.convertToSpecifiedUnits(unitType, wrapper->contextElement(), ec);
     95     if (UNLIKELY(ec))
     96         V8Proxy::setDOMException(ec);
     97     else
     98         wrapper->commitChange();
     99     return v8::Handle<v8::Value>();
    100 }
    101 
    102 } // namespace WebCore
    103 
    104 #endif
    105